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EARTH SCIENCE > LAND SURFACE > SOILS > SOIL DEPTH
9
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL PH
9
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL STRUCTURE
9
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
4
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > BIOGEOCHEMICAL PROCESSES
7
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE
7
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SNOW/ICE > PERMAFROST
7
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SNOW/ICE > SNOW DEPTH
7
ENVIRONMENT
2
FIELD SURVEY
GRID
11
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > LICOR GAS EXCHANGE SYSTEM
2
IN SITU/LABORATORY INSTRUMENTS > GAUGES > RAIN GAUGES
2
IN SITU/LABORATORY INSTRUMENTS > PHOTON/OPTICAL DETECTORS > PAR SENSORS > PHOTOSYNTHETICALLY ACTIVE RADIATION SENSORS
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
4
IN SITU/LABORATORY INSTRUMENTS > RECORDERS/LOGGERS > TEMPERATURE LOGGERS
9
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > HUMIDITY SENSORS
2
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > TEMPERATURE SENSORS
2
MANNED FIELD STATION
7
MONTHLY TO ANNUAL
2
POINT
11
STATION
2
TRANSECT
11
WEEKLY TO MONTHLY
4
biota
8
climatologyMeteorologyAtmosphere
2
environment
16
geoscientificInformation
8